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Processor
The MS9027C mainboard uses a mPGA478 Socket that has
the following features:
Accommodates Intel Pentium 4 478-pins CPU
Supports a system bus (FSB) of 400 MHz
Supports 3.2 GB/s data bus bandwidth
Chipset
Intel's innovative i82845 (MCH) and 82801BA (ICH2) chipsets
are based on an innovative and scalable architecture with
proven reliability and performance. A few of the advanced
features of the chipsets are:
Host interface controller supports 400 MHz frontside
(system) bus frequency
Supports 266 MHz DDR SDRAM devices.
Supports a max of 2 Double-Sided DIMMs (4 rows popu-
lated) with unbuffered DDR266 (w/ or w/out ECC).
Supports a maximum memory bandwidth of 2.1 GB/s with
DDR266.
AGP controller is AGP 2.0 compliant and supports 2x/4x
Fast Write Protocol (1.5V only)
PCI IDE controller supports PCI bus mastering, PIO
modes 0~4, and UDMA 33/66/100
Two USB controllers double the bandwidth to 24 Mbps
across four ports
Integrated AC' 97 audio that supports full surround sound
with up to six channels
Additional key features include support for an AC 97 link for audio
and modem, hardware monitoring, and ACPI/OnNow power man-
agement.
Memory
The mainboard can accommodate 2.5V DDR SDRAM. It ac-
commodates two unbuffered 2.5V 184 pin slots with a total
maximum capacity of 2 GB.
VGA
The MS9027C includes a 4xAGP slot that provides four times the
bandwidth of the original AGP specification. AGP technology
provides a direct connection between the graphics sub-system
and the processor so that the graphics do not have to compete for
processor time with other devices on the PCI bus.
AC' 97 Audio
The AC' 97 Audio codec is compliant with the AC' 97 2.2
Codec
specification, and supports 18-bit ADC (Analog Digital Con-
verter) and DAC (Digital Analog Converter) resolution as well
as 18-bit stereo full-duplex codec with independent and vari-
able sampling rates.
Expansion
The mainboard comes with the following expansion options:
Options
Six 32-bit PCI slots
One 4xAGP slot (support 1.5V only)
One Communications Network Riser (CNR) slot
Two IDE connectors which support four IDE channels and
a floppy disk drive interface
The MS9027C supports Ultra DMA bus mastering with transfer
rates of 33/66/100 MB/sec.
Integrated I/O
The mainboard has a full set of I/O ports and connectors:
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